the mass number is the protons added together with the: neutrons electrons protons only neutrons and electrons
the mass number is the protons added together with the: neutrons electrons protons only neutrons and electrons
Answer
Brief Explanations:
The mass number of an atom is calculated by adding the number of protons and neutrons. Electrons have negligible mass compared to protons and neutrons and are not included in the mass - number calculation.
Answer:
Neutrons